Question

though the volume of water and petrol is same, water is more denser than petrol. why?

Answer 1

Explanation:

Because water molecules are small and pack tightly together, causing water to have a greater density than petrol. Density relates to the mass per unit volume. If your molecules are heavier but take up more space, the net result could be more or less mass per unit volume.

Answer 2

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Because water molecules are small and pack tightly together, causing water to have a greater density than petrol. Density relates to the mass per unit volume. If your molecules are heavier but take up more space, the net result could be more or less mass per unit volume.